A crash between a tractor trailer and Dodge Caliber occurred at 2:17am on Route 24 and Gravel Hill Road.  Delaware State Police tell WGMD the driver of the Caliber, a 19-year-old male from Lincoln and a 17 year old male passenger from Millsboro were both seriously injured and both were transported to Christiana Hospital.   Police say the driver of the tractor trailer, a 56-year-old male from Salisbury, was not injured as a result of this crash.